Home / 20,676.04-31,014.08-5,093.68

Finding the Fourth Proportional to 20,676.04, 31,014.08 and 5,093.68

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Solution

The fourth proportional to 20,676.04, 31,014.08 and 5,093.68 is: 7,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.04 : 31,014.08 = 5,093.68 : x
  2. Step 2: Convert to fraction form
    20,676.04/31,014.08 = 5,093.68/x
  3. Step 3: Cross multiply
    20,676.04x = 31,014.08 × 5,093.68
  4. Step 4: Simplify right side
    20,676.04x = 157,975,799.01
  5. Step 5: Solve for x
    x = 157,975,799.01/20,676.04
  6. Step 6: Final answer
    x = 7,640.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.